Sound machine



FIG. 1 is a front perspective view of a sound machine.

FIG. 2 is a top view of the sound machine of FIG. 1.

FIG. 3 is a front view of the sound machine of FIG. 1.

FIG. 4 is a rear view of the sound machine of FIG. 1.

FIG. 5 is a bottom view of the sound machine of FIG. 1.

FIG. 6 is a side view of the left side of the sound machine of FIG. 1; and,

FIG. 7 is a side view of the right side of the sound machine of FIG. 1. 

CLAIM I claim the ornamental design for a sound machine, as shown and described. 